diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 1d9e8788f3..ad10139727 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -12955,17 +12955,23 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
Controls the list of files the OpenEmbedded build system
- scans for hardcoded installation paths.
+ scans for hardcoded installation paths. The variable uses a
+ space-separated list of filenames (not paths) with standard
+ wildcard characters allowed.
During a build, the OpenEmbedded build system creates a
shared state (sstate) object during the first stage of
- preparing the sysroots.
- During the build, the object is scanned for hardcoded paths
- for original installation locations.
+ preparing the sysroots. That object is scanned for
+ hardcoded paths for original installation locations.
The list of files that are scanned for paths is controlled
by the SSTATE_SCAN_FILES variable.
+ Typically, recipes add files they want to be scanned to the
+ value of SSTATE_SCAN_FILES rather than
+ the variable being comprehensively set. The
+ sstate
+ class specifies the default list of files.